docs: def get_bounding_box(self):
          """
          Returns the bounding box of the catalogue
  
          :returns: (West, East, South, North)
          """
          return (np.min(self.data["longitude"]),
                  np.max(self.data["longitude"]),
                  np.min(self.data["latitude"]),
                  np.max(self.data["latitude"]))